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Question

Complete and balance the following molecular equation. HBr(aq)+Ca(OH)2(aq)→

Express your answer as a balanced chemical equation. Identify all of the phases in your answer and write the ionic equation for it

Answer “Complete and balance the following molecular equation. HBr(aq)+Ca(OH)₂(aq)→”

The reaction described is an acid – base reaction by which salt and water are formed. The provided acid is HBr and the provided base is Ca(OH)₂. Also, the product side has water and salt, CaBr₂, forms include. This can be written as.

HBr(aq) + Ca(OH)₂(aq) -> H₂O(l) + CaBr₂(aq)

Balance Br atom in the reaction

2HBr(aq) + Ca(OH)₂(aq) -> H₂O(l) + CaBr₂(aq)

Ca is also balanced, hence balance H atom. Thus,

2HBr(aq) + Ca(OH)₂(aq) ->2H₂O(l) + CaBr₂(aq)

This results in the balance of each other atom. Hence, the balanced equation is,

2HBr(aq) + Ca(OH)₂(aq) -> 2H₂O(l) + CaBr₂(aq)

The ionic form, in general is written for aqeous phases (aq). Hence, the ionic equation is,

2H⁺(aq) + 2Br^–(aq) +Ca²⁺(aq) + 2OH^–(aq) -> 2H₂O(l) + Ca²⁺(aq) +2Br^– (aq)

Last words

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